133 lines
4.7 KiB
C
133 lines
4.7 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#pragma once
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/** \file
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* \ingroup bke
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*
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* The \link edmesh EDBM module\endlink is for editmode bmesh stuff.
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* In contrast, this module is for code shared with blenkernel that's
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* only concerned with low level operations on the #BMEditMesh structure.
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*/
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#include "DNA_customdata_types.h"
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#include "bmesh.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct BMLoop;
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struct BMPartialUpdate;
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struct BMesh;
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struct BMeshCalcTessellation_Params;
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struct BoundBox;
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struct Depsgraph;
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struct Mesh;
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struct Object;
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struct Scene;
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/**
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* This structure is used for mesh edit-mode.
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*
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* Through this, you get access to both the edit #BMesh, its tessellation,
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* and various data that doesn't belong in the #BMesh struct itself
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* (mostly related to mesh evaluation).
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*
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* The entire modifier system works with this structure, and not #BMesh.
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* #Mesh.edit_bmesh stores a pointer to this structure. */
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typedef struct BMEditMesh {
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struct BMesh *bm;
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/**
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* Face triangulation (tessellation) is stored as triplets of three loops,
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* which each define a triangle.
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*
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* \see #MLoopTri as the documentation gives useful hints that apply to this data too.
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*/
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struct BMLoop *(*looptris)[3];
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int tottri;
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struct Mesh *mesh_eval_final, *mesh_eval_cage;
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/** Cached cage bounding box of `mesh_eval_cage` for selection. */
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struct BoundBox *bb_cage;
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/** Evaluated mesh data-mask. */
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CustomData_MeshMasks lastDataMask;
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/** Selection mode (#SCE_SELECT_VERTEX, #SCE_SELECT_EDGE & #SCE_SELECT_FACE). */
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short selectmode;
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/** The active material (assigned to newly created faces). */
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short mat_nr;
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/** Temp variables for x-mirror editing (-1 when the layer does not exist). */
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int mirror_cdlayer;
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/**
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* Enable for evaluated copies, causes the edit-mesh to free the memory, not it's contents.
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*/
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char is_shallow_copy;
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/**
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* ID data is older than edit-mode data.
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* Set #Main.is_memfile_undo_flush_needed when enabling.
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*/
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char needs_flush_to_id;
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} BMEditMesh;
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/* editmesh.c */
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void BKE_editmesh_looptri_calc_ex(BMEditMesh *em,
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const struct BMeshCalcTessellation_Params *params);
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void BKE_editmesh_looptri_calc(BMEditMesh *em);
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void BKE_editmesh_looptri_calc_with_partial_ex(BMEditMesh *em,
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struct BMPartialUpdate *bmpinfo,
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const struct BMeshCalcTessellation_Params *params);
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void BKE_editmesh_looptri_calc_with_partial(BMEditMesh *em, struct BMPartialUpdate *bmpinfo);
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void BKE_editmesh_looptri_and_normals_calc_with_partial(BMEditMesh *em,
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struct BMPartialUpdate *bmpinfo);
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void BKE_editmesh_looptri_and_normals_calc(BMEditMesh *em);
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BMEditMesh *BKE_editmesh_create(BMesh *bm);
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BMEditMesh *BKE_editmesh_copy(BMEditMesh *em);
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BMEditMesh *BKE_editmesh_from_object(struct Object *ob);
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void BKE_editmesh_free_derived_caches(BMEditMesh *em);
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void BKE_editmesh_free_data(BMEditMesh *em);
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float (*BKE_editmesh_vert_coords_alloc(struct Depsgraph *depsgraph,
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struct BMEditMesh *em,
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struct Scene *scene,
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struct Object *ob,
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int *r_vert_len))[3];
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float (*BKE_editmesh_vert_coords_alloc_orco(BMEditMesh *em, int *r_vert_len))[3];
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const float (*BKE_editmesh_vert_coords_when_deformed(struct Depsgraph *depsgraph,
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struct BMEditMesh *em,
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struct Scene *scene,
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struct Object *obedit,
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int *r_vert_len,
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bool *r_is_alloc))[3];
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void BKE_editmesh_lnorspace_update(BMEditMesh *em, struct Mesh *me);
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void BKE_editmesh_ensure_autosmooth(BMEditMesh *em, struct Mesh *me);
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struct BoundBox *BKE_editmesh_cage_boundbox_get(BMEditMesh *em);
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#ifdef __cplusplus
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}
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#endif
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